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In this paper, we analyze the relativistic quantum motion of a charged scalar particles in the presence of a Aharonov-Bohm and Coulomb potentials in the spacetimes produced by an idealized cosmic string and global monopole. We have calculated and discussed the eigensolutions of DKP equation and their dependence in both the geometry of the spacetimes and coupling constants parameters.

The one-dimensional thermal properties of the Kemmer oscillator have been investigated. Firstly, we have found the spectrum of energy of the oscillator in question, and then we have calculated its thermal properties. A comparison of our results with those of the Dirac oscillator has been made.

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